Yes, seeing as they come as part of the "Drip Control Zone Kit" I have used them quite often. The 1/2" diameter seat appears to be fused into the regular DV valve body. Pretty good valve for very low flow situations.

Why not just use (3) .5gpm flood bubblers per tree? You get your 18gpm with no cycle stop valve, they are pressure compensating so all would be the same output and you can put down a calculated amount of water every time.

Why not just use (3) .5gpm flood bubblers per tree? You get your 18gpm with no cycle stop valve, they are pressure compensating so all would be the same output and you can put down a calculated amount of water every time.

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Thank you for your ideas, I think that u put him in the right direction with the bubblers.